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Planar loudspeaker system

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Planar loudspeaker system

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Planar magnetic acoustical transducer stamped pole structures

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Planar magnetic continuous-tone transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Patent

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Planar magnetic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Reexamination Certificate

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Planar magnetic transducer with distortion compensating diaphrag

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Patent

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Planar ribbon electro-acoustic transducer with high SPL...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Planar speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
Reexamination Certificate

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Planar speaker driver

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Planar speaker for multimedia laptop PCs

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate

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Planar speaker for multimedia laptop PCs

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Patent

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Planar speaker wiring layout

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Planar speakers

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Planar type speaker and system using it

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
Reexamination Certificate

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Planar-magnetic speakers with secondary magnetic structure

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Planar-type loudspeaker with at least two diaphragms

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Planar-type loudspeaker with dual density diaphragm

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Planar-type loudspeaker with dual density diaphragm

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Plane driving type electroacoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Plane-surfaced waved out-diffusion triangular beam-typed resonan

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer
Patent

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